Steam-boiler attachment



A118- 2 1927' c. z. ALEXANDER ET AL STEAM BOILER ATTACHMENT Filed Jan. 18. 1922 M INVENTR.

BY @o ATTORNEY.

Patented Aug. 2, 1927.

'UNITE STATES PATENT oFF-ICE.

CARL 4Z. ALEXANDER, OF WEST LIVINGSTON, AND EARL S. ALEXANDER, 0F NEWARK,

NEWl JERSEY, ASSIGNORS, BY MESNE ASSIGNMENTS, TO EDWIN C. SEWAR'D, 0E

JERSEY CITY, NEW JERSEY.

STEAM-BOILER ATTACHMENT. il

Application led January 18, 1922. Serial'No. 530,196.

This invention relates especially to steam heating or other boilers in which special geyser devices are arranged to automatically supply water to the upper sections or portions of the boiler in which this water is preferably evaporated in thin sheets or streams. Many of the sectional steam heating boilers are provided with transverse evapor'a'ting channels or heating surfaces. which when the lower surfaces of these channels are slightly inclined and preferably somewhat ribbed or corrugated form efficient evaporating surfaces when water is automatically supplied thereto during the operation of the boiler by geyser devices of the general type covered by the Alexander Patent 1,240,804 of September25, 1917. These geyser devices may in many cases comprise one or more coils of pipe or other evaporatingunits installed iny the firse box portion or section of the boiler and having a water supply pipe and geyser tube or discharge connectionV which may be conveniently carried out in many cases through the usual cored holes which are cast in heating boilers for hot water connections. In this way when the boiler is operating suflicient evaporation occurs in these geyser devices to automatically supply water to the upper sections of the boiler where it may be distributed over the evaporating channels or heating surfaces to be evaporated thereon efficiently and suppleinentthe steam generated in the lower part of the'boiler, the water line being, of course, kept substantiali ly lower than. in regular boiler practice so that at least a considerable proportion of the upper heating surfaces can actas steam chambers or channels in which this film type evaporation can take placeas in the Alex-- ander boilers.

In the accompanyingl drawing, showing various illustrative embodiments of this inv ention,`

Fig.4 1 is a vertical side section taken through a substantially square bodied or sectioned boiler, on line 1. --1,V Fig. 2.r

VFig... 2 is aV verticalV rear sectional view thereof. on line 2-2", Fig.V 1, looking. toward the front. j

, F-ig. 3 is a vertical side section through another typeofboiler. v

Fig, 4 is a partial front verticals'ectio'n thereof; I

Fig. `5 is a partial side section through another illustrative boiler, and

Fig. 6 is a front vertical section thereof.

The boiler may be of any desired type and construction and preferably comprises a. number of evaporating channels or heating units which vmay be operated above the normal or static water level inthe boiler so as to evaporate under efficient conditions the films or streams ofwater supplied thereto by the connected geyser devices.` In the Fig. 1 arrangement the ashpit portion 1 may be provided with the usual door 2 and with ya grate on which may rest the fire 8 inthe re boi: portion 4 of the boiler which may be of water jacketed construction so asl to have vthe water space 5. This fire boX section may have connected thereto by push nipples or otherwise the desired number of superimposed evaporating sections such as 7, 10 and 11 on which a steam dome such as 21 may be mounted and provided with smoke passages 22, 23 to whichthe smoke pipe may be connected. Each of these. evaporating sections may, as indicated in Fig; 27 comprise a series of separated channels such as 7 which preferably have their upper surfaces somewhat arched or inclined to facilitate the discharge of soot from these reduced area upper surfaces while the lower heating surfacesy of each of these channels is Hatter and preferably somewhatv inclined as from the front to the rear of the boiler and in the upper.l

evaporat-ing sections at least this lower survface such as 8, 9. is preferably ribbed or way as by the desired number of push nipples 12, 18, 14 and 15 between the adjacentsections so as to allow ample circulation of water and steam between them while allow'- ing for thev heat expansion which takes place between the sections under service conditions` As indicated in Fig. 1, severalof the upper rowsor sets of evaporatingA channels:

are above the 'normal or static water line -6 row ofl evaporating channels next 'the' fire' normally covered Vwith water,

The g'eyser .device maybe offE any distributed over these heating surfaces above the normal water level elfand flows over them as it is evaporatedvefciently in the form of thin iilms or streams.v

' This invention has been described in connection with a number of illustrative embodiments, forms, proportions, parts, arrangements, materials, constructions and methods of manufacture and use, to the 'details of which disclosure this invention is not of course to be limited, since What is claimed as new and What is desired to be secured by Letter Patent `is set forth in the appendedv claims:

l. A steam heater comprising a fire-box section and a plurality of evaporating chambers above the Water `level and through which IWater is adapted to flovv in thin sheets, and a geyser device having a heating portion Within said re-box section in communication With the Water space thereof and distributing connections extending one to each of said evaporating chambers to automatically supply Water to all of them simultaneously.

2. A steam heater comprising a lire-box section and a plurality of superimposed evaporating sections above the Water level through Which Water is adapted to flow in thin sheets, and a geyser device having a heating portion Within said fire-box section in communication with the Water space thereof and distributing connections extending one to each of said evaporating sections to automatically supply Water to all of them simultaneously. y

3. A steam heater comprising a fire-box section and an upper section having a number of evaporating channels above the Water level and through which Water' is adapted to flow in this sheets, and a geyser device leading from the said lire-box section and having a series of distributing connections extending one to each of said channels to automatically supply Water to `them simultaneously.

4. A steam heater comprising a lire-box section and a plurality of evaporating chambers above the Water level and through Which Water is adapted to flow in this sheets, andV a geyser device having a heating portion Within said re-box section in communication with the Water space thereof a geyser tube leading from said heating portion and distributing connections extending one to each of said evaporating chambers to fautomatically supply Water to all of them simultaneously.v

5. A steam heater having a fire-box section and an evaporating section above the Water level, a feed box higher than said evaporating section, a geyser device leading from the said lire-box section to said feed box, and a connection from said feed box to said evaporating section. f

6. A, 'steam heater comprising a lire-,box section,and a plurality.of'evaporatingchambers above the'vv'ater level and through ,which Water is adapted to How inthinsheets, afeed box higher than said evaporating chambers, a 4geyser device leading from the said lirebin; section to said feed box, and distributing connections from said feed box one to each ofsaid evaporating chambers.

7. A steam'heater comprisingr a fire-box section and an upper section havingva number of evaporating channels above the Water level and through which Water isadapted to llow vin thin sheets, a feed box higher than said evaporating channels, a geyser ,deViC' leading from the lire-box section to said feed box, and distributing,v connections from said feed box one to each of said evaporating cljiannels. y `7 8. A steam heater comprising a fire-box section and an upper section having a number of evaporating channels above the Water level and through which Water is adapted to floiv in thin sheets, feed boxes higher than said evaporating channels, geyser devices leading from the fire-box section one to each of said feed boxes, a distributing pipe extending between said feed boxes, and tubes leading from said pipe one into each of said evaporating channels.

9. A boiler comprising a lire box section and a superimposed series of evaporating sections each comprising a number of inclined evaporating channels having relatively7 fiat corrugated lower surfaces over which Water is adapted to flow in thin sheets or streams, a geyser device arranged Within the fire box section of theboiler and communicating With Y a Water space, a feed box detachably mounted outside the boiler and connected With said geyser device and having a series of substantially level feed pipes communicating With distributing pipes and tubes extending into each of the evaporating channels in the dilferent sections of the boiler above the normal Water line to automatically supply Water thereto;

l0. A boiler comprising a fire box section and `a superimposed series of evaporating channels'having loiver surfaces over Which Wateris adapted to flow in thin sheets or streams, a geyser device arranged Within the fire box section of the boiler and communieating with a Water space, a'feed box detachably mounted outside the boiler and connected with said geyser device and having a' series of substantially level feed pipes communicating with distributing pipes and tubesY extending into the evaporating channels above the normal Waterline to automatically supply Water thereto.

1l.. A boiler comprising'a number of evaporating portions above'the Water level With `a Water space of the boiler, a feed `device connected with said geyser device and havingr a series of substantially level feed pipes 'communicating with distributing tubes one for supplying water to each of the said evaporating,l portions of the boiler above the Water line. i i

l2. The geyser device attachment for sectional steam boilers Which have a series of superimposed evaporating sections, comprising a geyser coil device adapted to be mounted in the fire box section of the boiler and supplied with Water under operating conditions,`a connected geyser tube and feed box l and a series of feed pipes extending into said feed box and connected distributing pipes and tubes adapted to. extend into each evaporating unit in the upper evaporating sections of said boiler to automatically supply Water to said evaporating `units i above the normal Water linepofthe boiler under operating conditions.

13. The geyser device attachment for seetional steam boilers which have a series of superimposed .et/"aporating sections, compris ing,` a geyser device `adapted to be mounted in the boiler and supplied with Water under operating conditions, a connected geyser tube and feed box and a series of feed pipes eX- tending into said feed box and connected distributing pipes adapted to extend into each evaporating unit in the upper evaporating sections of said boiler to automatically supply Water to said evaporatinfblr units above the normal Water line of the boiler under o'peratingconditions. 1 e

i CARL Z. ALEXANDER. i

EARL S. ALEXANDER 

